A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5998-01-452-0175
NSN 5895-00-057-2670
NSN 6320-00-433-2773
NSN 5945-01-511-4835
NSN 5935-00-060-6785
NSN 5930-00-035-7956
NSN
NSN 4140-00-455-3170
NSN 5985-01-495-1449
NSN 6650-01-096-0655
NSN 5965-00-926-2591
NSN 6110-01-013-6482